She Wore a Yellow Ribbon (1949)

Captain Nathan Brittles, just days from retirement, is tasked with one final mission: to prevent a potential Indian uprising after the defeat of Custer's 7th Cavalry. Complicating his mission, Brittles must escort the wife and niece of his commanding officer to safety. As tensions rise among his officers, who both vie for the affections of the young niece, Brittles navigates personal and military challenges.